Question

Four angles of a quadrilateral are in ratio 1:3:5:9.Find second largest angle.​

Answer 1

Answer:

second largest angle is 100°

Step-by-step explanation:

sum of angle of a quadrilateral = 360°

x + 3x + 5x + 9x = 360°

18x = 360°

x= 20°

so, the second largest angle is 5x = 100°

hope it help you mate.

Answer 2

$x + 3x + 5x + 9x = 180 \\ \\ 18x = 360 \\ \\ x = 20 \\ \\ 20 \\ 60 \\ 100 \\ 180$

are the angles nd 2nd largest is 100